#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>

int main()
{
  const char *name = "./test.txt";
  FILE *fp = fopen(name,"r");
  if(fp == NULL)
  {
    perror("fopen error");
    return -1;
  }
  return 0;
}
